From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pf0-f197.google.com (mail-pf0-f197.google.com [209.85.192.197]) by kanga.kvack.org (Postfix) with ESMTP id 31DAD6B0033 for ; Fri, 13 Jan 2017 10:17:32 -0500 (EST) Received: by mail-pf0-f197.google.com with SMTP id 127so125038682pfg.5 for ; Fri, 13 Jan 2017 07:17:32 -0800 (PST) Received: from mail-pf0-x244.google.com (mail-pf0-x244.google.com. [2607:f8b0:400e:c00::244]) by mx.google.com with ESMTPS id l36si13013927plg.145.2017.01.13.07.17.31 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Fri, 13 Jan 2017 07:17:31 -0800 (PST) Received: by mail-pf0-x244.google.com with SMTP id b22so8781914pfd.3 for ; Fri, 13 Jan 2017 07:17:31 -0800 (PST) From: Geliang Tang Subject: [PATCH] writeback: use rb_entry() Date: Fri, 13 Jan 2017 23:17:12 +0800 Message-Id: <671275de093d93ddc7c6f77ddc0d357149691a39.1484306840.git.geliangtang@gmail.com> In-Reply-To: <5b23d0cb523f4719673a462ab1569ae99084337e.1483685419.git.geliangtang@gmail.com> References: <5b23d0cb523f4719673a462ab1569ae99084337e.1483685419.git.geliangtang@gmail.com> Sender: owner-linux-mm@kvack.org List-ID: To: Andrew Morton , Michal Hocko , Jens Axboe , Tejun Heo , Johannes Weiner Cc: Geliang Tang , linux-mm@kvack.org, linux-kernel@vger.kernel.org To make the code clearer, use rb_entry() instead of container_of() to deal with rbtree. Signed-off-by: Geliang Tang --- mm/backing-dev.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/mm/backing-dev.c b/mm/backing-dev.c index 3bfed5ab..ffb77a1 100644 --- a/mm/backing-dev.c +++ b/mm/backing-dev.c @@ -410,8 +410,8 @@ wb_congested_get_create(struct backing_dev_info *bdi, int blkcg_id, gfp_t gfp) while (*node != NULL) { parent = *node; - congested = container_of(parent, struct bdi_writeback_congested, - rb_node); + congested = rb_entry(parent, struct bdi_writeback_congested, + rb_node); if (congested->blkcg_id < blkcg_id) node = &parent->rb_left; else if (congested->blkcg_id > blkcg_id) -- 2.9.3 -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org